Answer:
Hey there!
8:10 should be son las ocho y diez de la manana.
7:30 should be son las siete y media de la manana.
Explanation:
Ocho y diez means 8 and 10, and de la manana means in the morning.
Siete and media means 7 and half and hour, or 30 mins and manana, once again, means on the morning.
Hope I helped! Have a great day!